51160068 has 18 divisors (see below), whose sum is σ = 129321374. Its totient is φ = 17053344.

The previous prime is 51160063. The next prime is 51160069. The reversal of 51160068 is 86006115.

51160068 is a `hidden beast` number, since 51 + 1 + 600 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 12446784 = 6222^2 + 3528^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (51160063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 710521 + ... + 710592.

Almost surely, 2^51160068 is an apocalyptic number.

It is an amenable number.

51160068 is an abundant number, since it is smaller than the sum of its proper divisors (78161306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51160068 is a wasteful number, since it uses less digits than its factorization.

51160068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421123 (or 1421118 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 51160068 is about 7152.6266503991. The cubic root of 51160068 is about 371.2305462037.

The spelling of 51160068 in words is "fifty-one million, one hundred sixty thousand, sixty-eight".